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    1. Home
    2. /Men
    3. /Clothing
    4. /Underwear & Socks
    5. /Underwear

    Casual Underwear

    Boxers, trunks, briefs, the basics done properly make more difference than people realise. We carry men's underwear from M&S, ASOS, and specialist brands in cotton, modal, and performance fabrics. Quality underwear that fits well and holds its shape is worth the slight premium. Compare brands and packs in one place, and use our AI stylist if you want specific recommendations.

    Products

    394 products

    Filter & Sort

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    British Boxers British Boxers Men's Three-Pair "Ankle" Sock Gift Box in Dark Blue
    British Boxers

    British Boxers Men's Three-Pair Dark Blue Sock Gift Box

    £14.00
    British Boxers British Boxers Men's Pack of Four "Maritime" Bamboo Briefs in Navy
    British Boxers

    British Boxers Navy Bamboo Men's Pack of Four Briefs

    £32.00
    British Boxers British Boxers Men's "Gaia" Tartan Brushed Cotton Dressing Gown in Burgundy
    British Boxers

    British Boxers Burgundy Tartan Brushed Cotton Dressing Gown

    £75.00
    British Boxers British Boxers Men's Pack of Four "Maritime" Bamboo Stetch Trunks in Navy
    British Boxers

    British Boxers Navy Bamboo Stretch Trunks Pack of Four

    £38.00
    British Boxers British Boxers Men's Pack of Four "Minimalist Geometric" Bamboo Stetch Trunks
    British Boxers

    British Boxers Men's Multicolor Bamboo Stretch Trunks

    £38.00
    British Boxers British Boxers Men's "Ultramarine" Bamboo Pyjama Set in Bright Blue
    British Boxers

    British Boxers Men's Bright Blue Bamboo Pyjama Set

    £54.00
    British Boxers British Boxers Men's "Moss" Herringbone Brushed Cotton Pyjama Trousers in Dark Green
    British Boxers

    British Boxers Men's Moss Pyjama Trousers in Dark Green

    £41.40
    British Boxers British Boxers Men's Pack of Four "Minimalist Geometric" Bamboo Briefs
    British Boxers

    British Boxers Men's Pack of Four Bamboo Briefs

    £32.00
    British Boxers British Boxers Men's "Sandstone" Bamboo Pyjama Set in Mid Navy
    British Boxers

    British Boxers Men's Mid Navy Bamboo Pyjama Set

    £54.00
    British Boxers British Boxers Men's Pack of Four "Electric Lime" Bamboo Stetch Trunks
    British Boxers

    British Boxers Men's Pack of Four Electric Lime Bamboo Trunks

    £38.00
    British Boxers British Boxers Men's 'Lucky Dip' Four Pack of Stretch Trunks
    British Boxers

    British Boxers Men's 'Lucky Dip' Four Pack of Stretch Trunks

    £38.00
    British Boxers British Boxers Men's Pack of Three "Fresh Citrus" Cotton Stretch Trunks
    British Boxers

    British Boxers Men's Pack of Three Cotton Stretch Trunks

    £32.00
    British Boxers British Boxers Men's "Electric Lime" Bamboo Pyjama Set
    British Boxers

    British Boxers Men's Electric Lime Bamboo Pyjama Set

    £54.00
    British Boxers British Boxers Men's "Minimalist Geometric" Bamboo Pyjama Set in Dark Navy
    British Boxers

    British Boxers Men's Dark Navy Bamboo Pyjama Set

    £54.00
    British Boxers British Boxers Men's "Chalk" Stripe Brushed Cotton Dressing Gown in Mid Grey
    British Boxers

    British Boxers Men's Mid Grey Stripe Brushed Cotton Dressing Gown

    £75.00
    British Boxers British Boxers Men's "Brighton Blue" Stripe Brushed Cotton Pyjama Trousers in Light Blue
    British Boxers

    British Boxers Men's Light Blue Stripe Pyjama Trousers

    £69.00
    British Boxers British Boxers Men's "Gaia" Tartan Brushed Cotton Pyjama Trousers in Burgundy
    British Boxers

    British Boxers Burgundy Tartan Pyjama Trousers

    £41.40
    British Boxers British Boxers Men's "Celt Navy" Tartan Brushed Cotton Pyjama Set in Navy
    British Boxers

    British Boxers Men's Navy Tartan Pyjama Set

    £69.00
    British Boxers British Boxers Men's "Chalk" Stripe Brushed Cotton Nightshirt in Mid Grey
    British Boxers

    British Boxers Men's Mid Grey Stripe Nightshirt

    £59.40
    British Boxers British Boxers Men's Pack of Four "Navy & Grey Marl " Bamboo Stretch Trunks in Mid Grey
    British Boxers

    British Boxers Men's Navy & Grey Marl Bamboo Trunks

    £24.00
    British Boxers British Boxers Men's "Stowe Prussian Blue & White Stripe" Crisp Cotton Dressing Gown in Navy
    British Boxers

    British Boxers Navy Blue & White Stripe Dressing Gown

    £125.00
    British Boxers British Boxers Men's Pack of Four "Fresh Navy" Bamboo Stretch Trunks in Navy
    British Boxers

    British Boxers Navy Bamboo Stretch Trunks Pack of Four

    £24.00
    British Boxers British Boxers Men's Pack of Four "Navy" Bamboo Stretch Trunks in Dark Navy
    British Boxers

    British Boxers Navy Bamboo Stretch Trunks Pack of Four

    £24.00
    British Boxers British Boxers Men's Pack of Four "Skyline Stripes" Bamboo Stretch Trunks
    British Boxers

    British Boxers Men's Pack of Four 'Skyline Stripes' Bamboo Trunks

    £24.00

    Showing 288 of 394

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    Frequently Asked Questions

    What is the most comfortable men's underwear style?▾

    Boxer briefs (trunks) are the most popular, snug without being restrictive, preventing thigh chafing, working under all clothing. Cotton-modal blends or micro-modal fabric for maximum softness. But it's personal, some prefer loose boxers, others need the support of briefs.

    How many pairs of underwear should a man own?▾

    Minimum 14 for two weeks of daily changes. A more comfortable rotation is 20-25. Include everyday basics, sports underwear for exercise, and a couple of smarter pairs. Replace anything with stretched waistbands or holes, no excuses.

    What fabric is best for men's underwear?▾

    Cotton is the classic, breathable, soft, easy to wash. Modal and micro-modal feel silkier with better moisture management. Polyester-elastane for sports. Avoid pure synthetics for everyday as they trap heat. The right fabric makes the difference between underwear you tolerate and underwear you actually prefer.